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SN74AHCT240DBLE Fiches technique(PDF) 3 Page - Texas Instruments

No de pièce SN74AHCT240DBLE
Description  OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
Download  28 Pages
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

SN74AHCT240DBLE Fiches technique(HTML) 3 Page - Texas Instruments

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SN54AHCT240, SN74AHCT240
OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCLS252K – OCTOBER 1995 – REVISED JULY 2003
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions (see Note 3)
SN54AHCT240
SN74AHCT240
UNIT
MIN
MAX
MIN
MAX
UNIT
VCC
Supply voltage
4.5
5.5
4.5
5.5
V
VIH
High-level input voltage
2
2
V
VIL
Low-level input voltage
0.8
0.8
V
VI
Input voltage
0
5.5
0
5.5
V
VO
Output voltage
0
VCC
0
VCC
V
IOH
High-level output current
–8
–8
mA
IOL
Low-level output current
8
8
mA
TA
Operating free-air temperature
–55
125
–40
85
°C
NOTE 3: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs, literature number SCBA004.
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
TA = 25°C
SN54AHCT240
SN74AHCT240
UNIT
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
VOH
IOH = –50 mA
45 V
4.4
4.5
4.4
4.4
V
VOH
IOH = –8 mA
4.5 V
3.94
3.8
3.8
V
VOL
IOL = 50 mA
45 V
0.1
0.1
0.1
V
VOL
IOL = 8 mA
4.5 V
0.36
0.44
0.44
V
IOZ
VO = VCC or GND
5.5 V
±0.25
±2.5
±2.5
mA
II
VI = 5.5 V or GND
0 V to 5.5 V
±0.1
±1*
±1
mA
ICC
VI = VCC or GND,
IO = 0
5.5 V
4
40
40
mA
∆ICC†
One input at 3.4 V,
Other inputs at VCC or GND
5.5 V
1.35
1.5
1.5
mA
Ci
VI = VCC or GND
5 V
2.5
10
10
pF
Co
VO = VCC or GND
5 V
3
pF
* On products compliant to MIL-PRF-38535, this parameter is not production tested at VCC = 0 V.
† This is the increase in supply current for each input at one of the specified TTL voltage levels, rather than 0 V or VCC.


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